<template>
	<view>
    <!-- 首页设置搜索功能，并且设置吸顶功能 -->
    <view class="search-box">
      <my-search @click='getSearch'></my-search>
    </view>
    <!-- 轮播图 -->
		<swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" :circular="true">
		  <swiper-item v-for="(item,i) in swiperList" :key='i'>
		    <navigator  class="swiper-item" :url="'/subpkg/goods-detail/goods-detail?goods_id' + item.goods_id">
          <image :src="item.image_src" ></image>
        </navigator >
		  </swiper-item>
		</swiper>
    <!-- 分类导航 -->
    <view class="nav-list">
      <view class="nav-item" v-for="(item, i) in navList " :key='i' @click="navClickHandler(item)">
        <image :src="item.image_src" class="nav-img" />
      </view>
    </view>
    <!-- 楼层 -->
    <view class="floor-list">
      <!-- 循环item项 -->
      <view class="floor-item" v-for="(item, i) in floorList" :key="i">
        <!-- 楼层的标题 -->
        <image class="floor-title" :src="item.floor_title.image_src"></image>
        <!-- 楼层的图片区域 -->
        <view class="floor-img-box">
          <!-- 左侧大图片区域 -->
          <navigator class="left-img-box" :url='item.product_list[0].url'>
            <image  
            :src="item.product_list[0].image_src" 
            :style="{width: item.product_list[0].image_width + 'rpx'}" 
            mode="widthFix"></image>
          </navigator>
          <!-- 右侧四个小图片的区域 -->
          <view class="right-img-box">
            <navigator 
             class="right-img-item" 
             v-for="(item2, i2) in item.product_list" 
             :key="i2" v-if="i2 !== 0"
             :url="item2.url">
              <image 
              :src="item2.image_src"
              :style="{width: item2.image_width + 'rpx'}" 
              mode="widthFix"></image>
            </navigator>
          </view>
        </view>
      </view>
    </view>
	</view>
</template>

<script>
	export default {
		data() {
			return {
				swiperList:[],
        // 1. 分类导航的数据列表
        navList: [],
        // 2.获取楼层的数据列表
        floorList: []
			};
		},
    onLoad() {
      this.getSwiperList(),
      // 2. 在 onLoad 中调用获取数据的方法
      this.getNavList(),
      // 3.
      this.getFoolrList()
    },
    methods: {
      // 轮播图的数据请求
      async getSwiperList(){
        const { data: res } = await uni.$http.get('/api/public/v1/home/swiperdata')
        // console.log(res)
        // 请求失败时
        if(res.meta.status !== 200) return uni.$showMsg()
        this.swiperList = res.message
      },
      // 分类的数据请求
      async getNavList() {
            const { data: res } = await uni.$http.get('/api/public/v1/home/catitems')
            if (res.meta.status !== 200) return uni.$showMsg()
            this.navList = res.message
      },
      // 点击分类导航图片跳转到分类页面的处理函数
      navClickHandler(item){
        if(item.name === '分类'){
          uni.switchTab({
           url: '/pages/cate/cate'
          })
        }
      },
      // 分类楼层的数据请求
      async getFoolrList(){
        const { data: res } = await uni.$http.get('/api/public/v1/home/floordata')
        console.log(res)
        if(res.meta.status !==200) return uni.$showMsg()
        res.message.forEach(floor =>{
          floor.product_list.forEach(prod =>{
            prod.url = '/subpkg/goods_list/goods_list?' + prod.navigator_url.split('?')[1]
          })
        })
        this.floorList = res.message
        },
        getSearch() {
          uni.navigateTo({
            url:'/subpkg/search/search'
          })
        }
    }
	}
</script>

<style lang="scss">
swiper{
  height: 330rpx;
  
  .swiper-item,
  image{
    height: 100%;
    width: 100%;
  }
}
.nav-list{
  display: flex;
  justify-content: space-around;
  margin: 15rpx 0;
}
 .nav-img {
    width: 128rpx;
    height: 140rpx;
  }
  .floor-title{
    width: 100%;
    height: 60rpx;
  }
  .right-img-box{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
  }
  .floor-img-box{
    display: flex;
    padding-left: 10rpx;
  }
.search-box{
  position: sticky;
  top: 0;
  z-index: 999;
}
</style>
